S
M
T
W
T
F
S
26
67°
55°
27
68°
52°
28
73°
46°
29
76°
48°
30
72°
56°
1
78°
54°
2
78°
58°
3
69°
58°
4
69°
57°
5
67°
54°
6
75°
50°
7
76°
52°
8
81°
59°
9
80°
59°
10
78°
57°
11
85°
54°
12
67°
61°
13
75°
57°
14
74°
61°
15
75°
61°
16
71°
61°
17
70°
56°
18
73°
58°
19
85°
51°
20
85°
52°
21
79°
56°
22
76°
60°
23
76°
61°
24
74°
62°
25
73°
59°
26
68°
61°
27
68°
56°
28
70°
53°
29
72°
56°
30
79°
57°
31
83°
58°
1
82°
59°
2
80°
60°
3
80°
59°
4
79°
61°
5
80°
60°
6
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Bostonia
Bostonia's May 2026 forecast shows daily high temperatures ranging from 77° to 83°, with overnight lows between 57° and 61°. The average high for May is 80° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Bostonia. See also: June | July | August.
